postgres_fdw: Fix cost estimation for semi join pushdown

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ID 7319
Title postgres_fdw: Fix cost estimation for semi join pushdown
CI (CFBot) Summary
Stats (from CFBot) Patch version: v2, Patch count: 1, First patch: +67−1, All patches: +67−1
Tags Bugfix
Created 2026-09-19 07:32:30
Last modified 2026-09-19 07:36:22 (2 hours ago)
Latest email 2026-09-19 07:25:39 (3 hours ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
Target version 17
Authors Ziming Zhang (torenzhang)
Reviewers Become reviewer
Committer
Links
Emails
[PATCH v1] postgres_fdw: Fix local costing of remote quals after semi-joins
First at 2026-09-11 04:28:03 by 张 子鸣 <toren.zhang at outlook.com>
Latest at 2026-09-19 07:25:39 by Ziming Zhang <toren.zhang at outlook.com>
Latest attachment (v2-0001-postgres_fdw-fix-cost-estimation-for-semi-join-pushdown.patch) at 2026-09-19 07:25:39 from Ziming Zhang <toren.zhang at outlook.com>
    Attachment (v2-0001-postgres_fdw-fix-cost-estimation-for-semi-join-pushdown.patch) at 2026-09-19 07:25:39 from Ziming Zhang <toren.zhang at outlook.com> (Patch: No)
    Attachment (v1-0001-postgres_fdw-Fix-local-costing-of-remote-quals-af.patch) at 2026-09-11 04:28:03 from 张 子鸣 <toren.zhang at outlook.com> (Patch: No)
History
When Who What
2026-09-19 07:36:22 Ziming Zhang (torenzhang) Changed name to postgres_fdw: Fix cost estimation for semi join pushdown
2026-09-19 07:32:31 Ziming Zhang (torenzhang) Attached mail thread TY4P301MB1730E2A8CD1D57F28934781CEFBE2@TY4P301MB1730.JPNP301.PROD.OUTLOOK.COM
2026-09-19 07:32:31 Ziming Zhang (torenzhang) Created patch record
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